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Survival in a Galactic Wilderness: invisible boundaries by Chris Martin and Pamela Whiffen. 1. Brainstorm – Draw what protects life on earth Give out survivor cards Atmosphere – Rocket balloon activity. Planet Gamma. Death from X-ray and gamma rays. Planet Beta. Death by UV.
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Survival in a Galactic Wilderness:invisible boundariesbyChris MartinandPamela Whiffen 1
Brainstorm – Draw what protects life on earth • Give out survivor cards • Atmosphere – Rocket balloon activity
Planet Gamma Death from X-ray and gamma rays
Planet Beta Death by UV
Planet Epsilon Death by high energy solar particles
The sun burps coronal mass ejections • http://www.youtube.com/watch?v=HTPrwgP8oFY Check Space weather • http://sohowww.nascom.nasa.gov/data/realtime-images.html
Without magnetic field • Magnetic field reversal – compares earth with mars
Planet Delta Death by solar wind charged particles etc.
Heliosphere video http://www.youtube.com/watch?v=rdNDIz1W6f0
Planet Zeta Collapse of heliosphere, death by galactic cosmic rays
Planet Alpha Death by gamma ray burst, super nova or impact with asteroid… or moose atomic war!
NASA Missions protecting us AIM, IBEX, THEMIS, Soho Evaluation Provide materials indow